WH questions

1. is running? The boy.
2. is he running? Because he's in a hurry.
3. is she walking? In the garden.
4. is the book? On the desk.
5. is he going to arrive? At six o'clock.
6. is in the glass? Water.
7. is he studying? Because the lesson is hard.
8. is thirsty? The boy.
9. are we going to sleep? At midnight.